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212464864000 = 28536639527
BaseRepresentation
bin1100010111011111100…
…1001000101100000000
3202022102001010101101001
43011313321020230000
511440112001122000
6241334403221344
721231035355244
oct3056771105400
9668361111331
10212464864000
1182118970aa4
1235216077854
131705c88614c
14a3d774a424
1557d791c46a
hex3177e48b00

212464864000 has 72 divisors (see below), whose sum is σ = 529276614048. Its totient is φ = 84985932800.

The previous prime is 212464863979. The next prime is 212464864013. The reversal of 212464864000 is 468464212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287764 + ... + 3351763.

It is an arithmetic number, because the mean of its divisors is an integer number (7351064084).

Almost surely, 2212464864000 is an apocalyptic number.

212464864000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212464864000 is an abundant number, since it is smaller than the sum of its proper divisors (316811750048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212464864000 is an frugal number, since it uses more digits than its factorization.

212464864000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639558 (or 6639534 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 212464864000 in words is "two hundred twelve billion, four hundred sixty-four million, eight hundred sixty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 640 800 1000 1280 1600 2000 3200 4000 6400 8000 16000 32000 6639527 13279054 26558108 33197635 53116216 66395270 106232432 132790540 165988175 212464864 265581080 331976350 424929728 531162160 663952700 829940875 849859456 1062324320 1327905400 1659881750 1699718912 2124648640 2655810800 3319763500 4249297280 5311621600 6639527000 8498594560 10623243200 13279054000 21246486400 26558108000 42492972800 53116216000 106232432000 212464864000